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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Akutan in Alaska

Posted by admin on May 17, 2018 0 Comments

Earthquake location 53.4638S, -163.7174WA light earthquake magnitude 4.3 (ml/mb) has occurred on Saturday, 154 km ESE of Akutan, Alaska (96 miles). Event id: us1000dq27. Ids that are associated to the earthquake: ak19250861, us1000dq27. The earthquake occurred at a depth of 16.55 km (10 miles). Exact location of event, depth 16.55 km, -163.7174° West, 53.4638° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 21/04/18 / 2018-04-21 22:31:23 / April 21, 2018 @ 10:31 pm. The temblor was reported at 11:31:23 / 11:31 am (local time epicenter).

In the past 24 hours, there have been nineteen, in the last 10 days thirty-one, in the past 30 days thirty-eight and in the last 365 days one hundred and fourty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 154 km ESE of Akutan, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -163.7174° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.4638° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.55 km Depth of the event in kilometers.
Place 154km ESE of Akutan, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-21 22:31:23 Time when the event occurred. UTC/GMT
Updated 2018-05-17 03:09:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 285 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.133 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000dq27 Id of event.
Event Code 1000dq27 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19250861,us1000dq27, A comma-separated list of event ids that are associated to an event.

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